LG-Magna JV to build EV parts in Mexico for GM LG-Magna JV to build EV parts in Mexico for GM April 19, 2022 dzadmin Comments 0 Comment The LG-Magna joint venture will produce inverters, motors and on-board chargers for General Motors in Ramos Arizpe, Mexico, employing about 400 people at a 260,000-square-foot factory.